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What is that black lump on the end of the wick?

April 26, 2017Black lump Wick

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What is that black lump on the end of the wick?

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It’s a clump of carbon called a “mushroom” which forms when the wick hasn’t been properly trimmed. Simply stated, your candle is burning too fast to completely combust the fuel (wax) being fed thru the wick. Keep your wick trimmed to 1/4th inch and you’ll prevent mushrooms.